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Finding the Fourth Proportional to 54,563.60, 81,845.40 and 33,798.80

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Solution

The fourth proportional to 54,563.60, 81,845.40 and 33,798.80 is: 50,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.60 : 81,845.40 = 33,798.80 : x
  2. Step 2: Convert to fraction form
    54,563.60/81,845.40 = 33,798.80/x
  3. Step 3: Cross multiply
    54,563.60x = 81,845.40 × 33,798.80
  4. Step 4: Simplify right side
    54,563.60x = 2,766,276,305.52
  5. Step 5: Solve for x
    x = 2,766,276,305.52/54,563.60
  6. Step 6: Final answer
    x = 50,698.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.